If the loving heart of the Great Emancipator found its natural amorous passions overwhelmingly directed toward those of his own sex, it would certainly be a stunning rebuke to the Republican Party’s scapegoating of same-sex love for electoral purposes. And a forthcoming book by the late Dr. C.A. Tripp — The Intimate World of Abraham Lincoln, to be published in the new year by Free Press — makes a powerful case that Lincoln was a lover of men.Tripp, who worked closely in the 1940s and 1950s with the groundbreaking sexologist Alfred Kinsey, was a clinical psychologist, university professor and author...